The thermoluminescence spectra during the destruction of impurity–helium solid phase samples of different compounds, containing stabilized N and O atoms, have been obtained. For the samples formed by injection of mainly Ar or Kr atoms into bulk superfluid helium (HeII), M-bands of the NO molecule are observed. The green bands appropriate to the E 1 Σ → B 1 Σ transition of the XeO molecule are observed on the destruction of samples containing Xe atoms.